試卷名稱:103年 - 103 國立清華大學_碩士班入學考試_生命科學院甲組、醫學生物科技學程:分子生物學#126183
年份:103年
科目:研究所、轉學考(插大)◆分子生物學
3. Which of the following statement is not correct regarding the sigma-factor?
(A) The 2.4 region has an a-helix domain.
(B) It determines rifampicin sensitivity or resistance.
(C) It can bind with core polymerase to form RNA polymerase holoenzyme.
(D) Subregions 2.4 and 4.2 are involved in promoter recognition.
(E) Interaction with the core enzyme unmasks the DNA-binding region.